Kaervek the Merciless [Archenemy] SPA Sustento oscuro you may sacrifice an artifact

you may sacrifice an artifact

It breathes *fire*

Set: Rivals of Ixalan Type: Creature — Dinosaur Rarity: Uncommon Cost: {3}{W} Flying

Set: Khans of Tarkir Type: Enchantment Rarity: Rare Cost: {R}{W}{B} Whenever a nontoken creature you control attacks

Kaervek the Merciless [Archenemy] SPA Sustento oscuro you may sacrifice an artifactSet: Archenemy Type: Legendary Creature Human Shaman Rarity: Rare Cost: {5}{B}{R} Whenever an opponent casts a spell, Kaervek the Merciless deals damage to any target equal to that spell's converted mana cost. "Rats and jackals feast in his swath, but even they will not walk with him." Mangara